public void InitTextures()
{
//Used for dynamic lights. Ie spot, point, lights
//Dynamic lights are setup using the g buffer pass (normals) and depth information before material pass is drawn
//Additional slices may be used for bloom intensity
LightPrepassTexture = GLTexture2DArray.CreateUncompressedTexture(4, 4, 1, 1,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float);
LightPrepassTexture.Bind();
LightPrepassTexture.MagFilter = TextureMagFilter.Linear;
LightPrepassTexture.MinFilter = TextureMinFilter.Linear;
LightPrepassTexture.UpdateParameters();
LightPrepassTexture.Unbind();
//Shadows
//Channel usage:
//Red - Dynamic shadows
//Green - Static shadows (course, for casting onto objects)
//Blue - Soft shading (under kart, dynamic AO?)
//Alpha - Usually gray
ShadowPrepassTexture = GLTexture2D.CreateWhiteTexture(4, 4);
foreach (var lmap in Resources.LightMapFiles.Values)
{
lmap.Setup();
}
}
public void UpdateLightPrepass(GLContext control, GLTexture gbuffer, GLTexture linearDepth)
{
if (LightPrepassTexture == null)
{
LightPrepassTexture = GLTexture2DArray.CreateUncompressedTexture(control.Width, control.Height, 1, 1,
PixelInternalFormat.R11fG11fB10f, PixelFormat.Rgb, PixelType.UnsignedInt10F11F11FRev);
LightPrepassTexture.Bind();
LightPrepassTexture.MagFilter = TextureMagFilter.Linear;
LightPrepassTexture.MinFilter = TextureMinFilter.Linear;
LightPrepassTexture.UpdateParameters();
LightPrepassTexture.Unbind();
}
LightPrepassManager.CreateLightPrepassTexture(control, gbuffer, linearDepth, LightPrepassTexture);
}
//Update all existing cubemap uint objects
public static void GenerateCubemaps(List <GenericRenderer> targetModels, bool isWiiU)
{
var texture = isWiiU ? CubeMapTextureArray : CubeMapTexture;
if (texture != null)
{
texture.Dispose();
}
if (isWiiU)
{
texture = GLTexture2DArray.CreateUncompressedTexture(CUBEMAP_SIZE, CUBEMAP_SIZE, MAX_LAYER_COUNT * 6, MAX_MIP_LEVEL,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float);
}
else
{
texture = GLTextureCubeArray.CreateEmptyCubemap(CUBEMAP_SIZE, MAX_LAYER_COUNT, MAX_MIP_LEVEL,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float);
}
GLTextureCube cubemapTexture = GLTextureCube.CreateEmptyCubemap(
CUBEMAP_UPSCALE_SIZE, PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float, 9);
//Get a list of cubemaps in the scene
//The lighting engine has cube map objects with the object placement to draw
var lightingEngine = LightingEngine.LightSettings;
var cubemapEnvParams = lightingEngine.Resources.CubeMapFiles.FirstOrDefault().Value;
var cubeMapUints = cubemapEnvParams.CubeMapObjects;
int layer = 0;
foreach (var cubeMap in cubeMapUints)
{
var cUint = cubeMap.CubeMapUint;
//Cubemap has no area assigned skip it
if (cubeMap.CubeMapUint.Name == string.Empty)
{
continue;
}
//Setup the camera to render the cube map faces
CubemapCamera camera = new CubemapCamera(
new Vector3(cUint.Position.X, cUint.Position.Y, cUint.Position.Z)
* GLContext.PreviewScale, cUint.Near, cUint.Far);
var context = new GLContext();
context.Camera = camera;
GenerateCubemap(context, cubemapTexture, camera, targetModels, MAX_MIP_LEVEL);
cubemapTexture.Bind();
cubemapTexture.GenerateMipmaps();
cubemapTexture.Unbind();
//HDR encode and output into the array
CubemapHDREncodeRT.CreateCubemap(cubemapTexture, texture, layer, MAX_MIP_LEVEL, false, true);
if (SAVE_TO_DISK)
{
cubemapTexture.SaveDDS(cubeMap.Name + "default.dds");
}
layer++;
}
cubemapTexture.Dispose();
//Just generate mips to keep things easier
texture.Bind();
texture.GenerateMipmaps();
texture.Unbind();
if (SAVE_TO_DISK)
{
texture.SaveDDS("Cubemap_Array_HDR.dds");
}
if (isWiiU)
{
CubeMapTextureArray = texture;
}
else
{
CubeMapTexture = texture;
}
}